BACKPORT: FROMGIT: wifi: ieee80211: add definitions for multi-link element
Add the definitions necessary to build and parse some of the multi-link element, the per-STA profile isn't fully included. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Bug: 233387627 Change-Id: I70d738c75844a0b2b1946f603e2379984a4793b2 (cherry picked from commit 24565005bc866ad77e89197ab4085040cb9b4bda https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git mld) Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
This commit is contained in:
Johannes Berg
Carlos Llamas
parent
10f80b7397
commit
27f48acb1b
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@ -4318,4 +4318,226 @@ enum ieee80211_range_params_max_total_ltf {
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/* multi-link device */
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#define IEEE80211_MLD_MAX_NUM_LINKS 15
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#define IEEE80211_ML_CONTROL_TYPE 0x0007
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#define IEEE80211_ML_CONTROL_TYPE_BASIC 0
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#define IEEE80211_ML_CONTROL_TYPE_PREQ 1
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#define IEEE80211_ML_CONTROL_TYPE_RECONF 2
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#define IEEE80211_ML_CONTROL_TYPE_TDLS 3
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#define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4
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#define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0
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struct ieee80211_multi_link_elem {
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__le16 control;
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u8 variable[];
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} __packed;
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#define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010
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#define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020
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#define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040
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#define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080
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#define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100
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#define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200
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#define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff
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#define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00
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#define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
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#define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001
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#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e
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#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0
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#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1
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#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2
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#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3
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#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4
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#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070
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#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0
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#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1
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#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2
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#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3
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#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4
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#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5
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#define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080
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#define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700
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#define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0
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#define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1
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#define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2
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#define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3
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#define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10
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#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11
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#define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f
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#define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010
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#define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060
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#define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80
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#define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000
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struct ieee80211_mle_basic_common_info {
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u8 len;
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u8 mld_mac_addr[ETH_ALEN];
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u8 variable[];
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} __packed;
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#define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010
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struct ieee80211_mle_preq_common_info {
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u8 len;
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u8 variable[];
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} __packed;
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#define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010
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/* no fixed fields in RECONF */
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struct ieee80211_mle_tdls_common_info {
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u8 len;
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u8 ap_mld_mac_addr[ETH_ALEN];
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} __packed;
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#define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010
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/* no fixed fields in PRIO_ACCESS */
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/**
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* ieee80211_mle_common_size - check multi-link element common size
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* @data: multi-link element, must already be checked for size using
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* ieee80211_mle_size_ok()
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*/
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static inline u8 ieee80211_mle_common_size(const u8 *data)
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{
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const struct ieee80211_multi_link_elem *mle = (const void *)data;
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u16 control = le16_to_cpu(mle->control);
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u8 common = 0;
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switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
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case IEEE80211_ML_CONTROL_TYPE_BASIC:
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common += sizeof(struct ieee80211_mle_basic_common_info);
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break;
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case IEEE80211_ML_CONTROL_TYPE_PREQ:
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common += sizeof(struct ieee80211_mle_preq_common_info);
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break;
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case IEEE80211_ML_CONTROL_TYPE_RECONF:
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if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
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common += ETH_ALEN;
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return common;
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case IEEE80211_ML_CONTROL_TYPE_TDLS:
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common += sizeof(struct ieee80211_mle_tdls_common_info);
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break;
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case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
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if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
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common += ETH_ALEN;
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return common;
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default:
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WARN_ON(1);
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return 0;
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}
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return common + mle->variable[0];
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}
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/**
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* ieee80211_mle_size_ok - validate multi-link element size
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* @data: pointer to the element data
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* @len: length of the containing element
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*/
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static inline bool ieee80211_mle_size_ok(const u8 *data, u8 len)
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{
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const struct ieee80211_multi_link_elem *mle = (const void *)data;
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u8 fixed = sizeof(*mle);
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u8 common = 0;
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bool check_common_len = false;
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u16 control;
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if (len < fixed)
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return false;
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control = le16_to_cpu(mle->control);
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switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
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case IEEE80211_ML_CONTROL_TYPE_BASIC:
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common += sizeof(struct ieee80211_mle_basic_common_info);
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check_common_len = true;
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if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
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common += 1;
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if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
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common += 1;
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if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
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common += 2;
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if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
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common += 2;
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if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
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common += 2;
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if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
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common += 1;
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break;
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case IEEE80211_ML_CONTROL_TYPE_PREQ:
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common += sizeof(struct ieee80211_mle_preq_common_info);
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if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
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common += 1;
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check_common_len = true;
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break;
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case IEEE80211_ML_CONTROL_TYPE_RECONF:
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if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
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common += ETH_ALEN;
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break;
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case IEEE80211_ML_CONTROL_TYPE_TDLS:
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common += sizeof(struct ieee80211_mle_tdls_common_info);
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check_common_len = true;
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break;
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case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
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if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
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common += ETH_ALEN;
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break;
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default:
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/* we don't know this type */
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return true;
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}
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if (len < fixed + common)
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return false;
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if (!check_common_len)
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return true;
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/* if present, common length is the first octet there */
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return mle->variable[0] >= common;
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}
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enum ieee80211_mle_subelems {
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IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0,
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};
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#define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f
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#define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010
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#define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
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#define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040
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#define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080
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#define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100
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#define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200
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#define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400
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#define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800
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struct ieee80211_mle_per_sta_profile {
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__le16 control;
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u8 sta_info_len;
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u8 variable[];
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} __packed;
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#define for_each_mle_subelement(_elem, _data, _len) \
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if (ieee80211_mle_size_ok(_data, _len)) \
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for_each_element(_elem, \
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_data + ieee80211_mle_common_size(_data),\
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_len - ieee80211_mle_common_size(_data))
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#endif /* LINUX_IEEE80211_H */
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